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Date: Sat, 3 Feb 2018 13:08:36 -0700 (MST)
From: Warren Block <wblock@wonkity.com>
To: Christian Weisgerber <naddy@mips.inka.de>
cc: freebsd-questions@freebsd.org
Subject: Re: SUJ - turn off for SSDs?
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On Sat, 3 Feb 2018, Christian Weisgerber wrote:

> Recent commits to bsdinstall now enable softupdates journaling (SUJ)
> by default, with the caveat "turn off for SSDs".
> https://svnweb.freebsd.org/base/head/usr.sbin/bsdinstall/partedit/gpart_ops.c?view=log
>
> Why would you want to turn off journaling on SSDs?

Because the problems it was meant to solve (slow fsck) are not a problem 
on SSDs, and SUJ has problems with snapshots for use with dump(8).